package com.seatatcc.stock.mapper;

import org.apache.ibatis.annotations.Update;

/****************************************************
 *
 * @author lbf
 * @date 2025/7/16 17:14
 ****************************************************/
public interface StockMapper {

    @Update("update stock_at set count=count-1 where product_id=1")
    public void decrement();
}
